Xu Shui's 482 factory is on Xu Dagong Road. You can go to Xu Shui by bus, and take 1 or No.2 under the railway bridge of the supervision station.
I don't know exactly where it is.
The treatment is average. Ordinary employees just pass by, 1000 yuan or so. There must be some toxicity, depending on which workshop you are in. Batteries contain lead and mercury, and long-term contact is definitely harmful to health.